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| author | Richard Biener <rguenther@suse.de> | 2016-12-14 10:35:11 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-12-14 10:35:11 +0000 |
| commit | 007e18eb1f26a71ffd2eb598f3021a0c4be2aeb0 (patch) | |
| tree | 1c2adeb6e3d62eaff9421be4408f3e8d8fc1dfa8 /gcc | |
| parent | e19ef86d01cee1e094ab518951862ddf77ccb03d (diff) | |
| download | gcc-007e18eb1f26a71ffd2eb598f3021a0c4be2aeb0.zip gcc-007e18eb1f26a71ffd2eb598f3021a0c4be2aeb0.tar.gz gcc-007e18eb1f26a71ffd2eb598f3021a0c4be2aeb0.tar.bz2 | |
re PR tree-optimization/78731 (Possible bug with switch when optimization is turned on.)
2016-12-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/78731
* gcc.dg/torture/pr78731.c: New testcase.
From-SVN: r243644
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr78731.c | 41 |
2 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 43cf490..1d1b034 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-12-14 Richard Biener <rguenther@suse.de> + + PR tree-optimization/78731 + * gcc.dg/torture/pr78731.c: New testcase. + 2016-12-14 Martin Liska <mliska@suse.cz> * gcc.dg/tree-ssa/20040703-1.c: Update scanned pattern. diff --git a/gcc/testsuite/gcc.dg/torture/pr78731.c b/gcc/testsuite/gcc.dg/torture/pr78731.c new file mode 100644 index 0000000..5a4d43b --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr78731.c @@ -0,0 +1,41 @@ +/* { dg-do run } */ + +#include <stdio.h> +#include <stdlib.h> + +#define GENERAL 1 +#define BRACKETS 2 +#define QUOTES 3 + +void __attribute__((noinline,noclone)) +foo(char *qb, char* into) +{ + int state = QUOTES; + int save_state = BRACKETS; + + while (qb) + { + switch (state) + { + case BRACKETS: + exit(0); + case GENERAL: + abort (); + case QUOTES: + state = save_state; + save_state = GENERAL; + break; + default: ; + } + printf("State %d btw GENERAL %d\n", state, GENERAL); + } + abort (); +} + +int main() +{ + char *b = "123"; + char out[4]; + foo(b, out); + return 0; +} |